Which of the following math statements contain variable(s)? Check all that apply.
A. ? + 7 = 12
O B. 15 - 5 =
I C. 13 - x= 9
DD. 1 + 6 = 7
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1. preform the indicated operation. then estimate to see whether the proposed result is reasonable. 811.1 - 8.039 803.071 803.061 803.161 831.061 2. the ordered pair (1, 2) lies in which quadrant? quadrant ii quadrant iv quadrant iii quadrant i 3. sean tries to drink 3 liters of water every day how my millimeters of water does he drink in a day? 0.3 ml 0.003 ml 3,000 ml 30 ml 4. find the least common multiple. (lcm). 10, 36 5 180 20 360

Find the value of the cosine for angle a

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5